CA2518976A1 - Detecteur a balayage de profil a double observation et lumiere codee - Google Patents

Detecteur a balayage de profil a double observation et lumiere codee Download PDF

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Publication number
CA2518976A1
CA2518976A1 CA002518976A CA2518976A CA2518976A1 CA 2518976 A1 CA2518976 A1 CA 2518976A1 CA 002518976 A CA002518976 A CA 002518976A CA 2518976 A CA2518976 A CA 2518976A CA 2518976 A1 CA2518976 A1 CA 2518976A1
Authority
CA
Canada
Prior art keywords
data
light
pattern
scanned
projectors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002518976A
Other languages
English (en)
Inventor
Alexander Thomas Hermary
Terrance John Hermary
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2518976A1 publication Critical patent/CA2518976A1/fr
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
    • G01N21/8986—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2518—Projection by scanning of the object
    • G01B11/2522—Projection by scanning of the object the position of the object changing and being recorded
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA002518976A 2003-03-18 2004-03-18 Detecteur a balayage de profil a double observation et lumiere codee Abandoned CA2518976A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45545103P 2003-03-18 2003-03-18
US60/455,451 2003-03-18
PCT/CA2004/000414 WO2004083778A1 (fr) 2003-03-18 2004-03-18 Detecteur a balayage de profil a double observation et lumiere codee

Publications (1)

Publication Number Publication Date
CA2518976A1 true CA2518976A1 (fr) 2004-09-30

Family

ID=33030001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002518976A Abandoned CA2518976A1 (fr) 2003-03-18 2004-03-18 Detecteur a balayage de profil a double observation et lumiere codee

Country Status (4)

Country Link
US (1) US20040246473A1 (fr)
EP (1) EP1625350A1 (fr)
CA (1) CA2518976A1 (fr)
WO (1) WO2004083778A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903245B2 (en) 2007-08-20 2011-03-08 Marc Miousset Multi-beam optical probe and system for dimensional measurement

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903245B2 (en) 2007-08-20 2011-03-08 Marc Miousset Multi-beam optical probe and system for dimensional measurement

Also Published As

Publication number Publication date
US20040246473A1 (en) 2004-12-09
EP1625350A1 (fr) 2006-02-15
WO2004083778A1 (fr) 2004-09-30

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